L-828 CCRs LC-Type (4, 7.5, and 10 kW/6.6 A/60 Hz)

Troubleshooting

4.General Troubleshooting Procedures (contd.)

Problem

Possible Cause

Corrective Action

5. Regulator shuts

Open-circuit protection fails

Test the load for open-circuit condition.

down from open-

 

Then short the CCR’s output TB1 and

circuit protection

 

check for normal operation. Refer to

(red LED lit)

 

calibration instructions in Calibrating

 

 

Regulators in the Installation section.

 

 

Repair lighting loop.

 

Contactor K1 defective

Inspect contacts of contactor K1. Replace

 

 

contactor K1, if necessary.

 

Transformer T5 or R5 (on panel)

Inspect T5 or R5. Replace, if necessary.

 

defective

 

 

Contactor K1 coil fails

Turn the CCR on and off repeatedly. If

 

 

green LED indicator for REGULATOR ON

 

 

lights but contactor K1 does not click on,

 

 

replace contactor K1.

 

Control PCB failed

If turning CCR on and off doe not light

 

 

REGULATOR ON LED, then replace Control

 

 

PCB.

6. Incorrect CCR

CCR not properly calibrated

Refer to calibration instructions in

output current

 

Calibrating Regulators in the Installation

 

 

section.

 

Control PCB failed

Replace Control PCB if CCR does not

 

 

calibrate properly.

7. W VA-Indicator red

Too many burned out lamps in

Replace burned out lamps.

LED light lit

lighting loop

 

 

Load demand greater than 4% over –

Reduce load or obtain a CCR with a higher

 

5% input voltage on a 4 kW or 7.5 or

kW rating.

 

10 kW CCR

 

 

Half-power tap was selected on TB6

Move wire #200 from TB6 terminal 2 to

 

terminal 2, and load demand requires

TB6 terminal 1.

 

more than ½ of the CCR’s rated

 

 

output power

 

 

Input voltage low for the required

Provide required voltage to CCR.

 

voltage, as selected on CCR’s TB5

 

 

NOTE: Measure voltage at the input

 

 

of CCR TB3 with the CCR in operation.

 

 

 

Continued on next page

2002 Siemens Airfield Solutions, Incorporated

96A0104B

Page 6-5

All rights reserved

Issued 6/02

 

Page 46
Image 46
Siemens L-828 Problem Possible Cause Corrective Action Regulator shuts, Down from open, Circuit protection, Red LED lit

L-828 specifications

The Siemens L-828 is a state-of-the-art aircraft communication and navigation system that is designed to enhance efficiency and safety in aviation operations. This system is equipped with a range of advanced features that cater to the evolving needs of modern air traffic management and avionics.

One of the standout characteristics of the L-828 is its versatile communication capabilities. It incorporates VHF and UHF radio systems, enabling flexible and reliable communication between pilots, air traffic controllers, and other aircraft. The system supports both voice communication and data link services, ensuring that critical information is exchanged seamlessly during flight operations.

In terms of navigation, the Siemens L-828 is equipped with cutting-edge Global Navigation Satellite System (GNSS) technology. This allows for precise positioning and navigation, essential for modern pilotage in complex airspace environments. With built-in performance monitoring, the system can also provide predictive analytics, which enhances situational awareness for pilots and ground controllers.

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In conclusion, the Siemens L-828 represents a significant advancement in aviation communication and navigation technology. Its combination of versatile communication capabilities, advanced navigation systems, modular design, and heightened security protocols makes it a crucial tool for modern aircraft. As the aviation industry continues to evolve, systems like the L-828 will undoubtedly play an indispensable role in optimizing flight operations and ensuring safety in the skies.